Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

MD Matt LLC

Family Nurse Practitioner in Linthicum Heights, MD · enumerated 2020 · authorized official William Shaffer, Director.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1578182614

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Registry record

Entity type Organization (Type 2)

Legal business name MD Matt LLC

Practice address 518 S Camp Meade Rd Ste 5, Linthicum Heights, MD, 21090

Phone (410) 364-8011

Enumeration date Apr 9, 2020

Last updated in NPPES Jul 16, 2024

Taxonomy & classification

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name William Shaffer

Title Director

Phone (443) 559-4137

Other identifiers

Identifier	Type	State	Issuer
181014602	Medicaid	MD	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is MD Matt LLC located?

The practice location on file with NPPES is in Linthicum Heights, MD.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2024-07-16. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Samantha Lucky Clinical Social Worker · Linthicum, MD NPI 1255095352 MD Matt LLC Family Nurse Practitioner · Linthicum, MD NPI 1780322826

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-07-16.